What was found
CMH-DCA - FLT 266 - CREW RECEIVED MESSAGE FOR E1 IDG LOW OIL PRESSURE. CREW SHUT GEN OFF LINE AND RETURNED TO CMH WITHOUT FURTHER INCIDENT. MX FOUND IDG OIL LEVEL LOW AND RESERVICED TO PROPER LEVEL. NO EVIDENCE OF LEAK OR METAL. RAN ENGINE, FREQS, VOLTS AND TEMP, ALL IN GREEN BAND. ACFT RELEASED FOR SERVICE. (W)